DS1685E-3

Interface:	Parallel
Base Part Number:	DS1685
Supplier Device Package:	24-TSSOP
Package / Case:	24-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Current - Timekeeping (Max):	2mA @ 3V
Voltage - Supply, Battery:	2.5 V ~ 3.7 V
Voltage - Supply:	2.7 V ~ 3.7 V
Series:	--
Date Format:	YY-MM-DD-dd
Time Format:	HH:MM:SS (12/24 hr)
Memory Size:	242B
Features:	Alarm, NVSRAM, Square Wave Output, Y2K
Type:	Clock/Calendar
Part Status:	Obsolete
Packaging:	Tube

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

DS1685E-3 Application Field and Working Principle

The DS1685E-3, part of Texas Instruments\' (TI\'s) DS1685 Series Real Time Clocks (RTCs), provides superior performance, low power operation, and flexible communication options. The DS1685E-3 is an affordable, versatile solution for a wide array of timing requirements. It is designed to be used in applications such as electronic point-of-sale terminals, notebooks and consumer electronic devices, appliances, and industrial and medical control systems that require accurate, reliable timing.

Overview of DS1685E-3

The DS1685E-3 RTC features a wide operating temperature range from -40°C to +85°C, and is offered in a lead-free 8-pin SOIC package for space-constrained applications. It includes an array of features such as a battery switchover circuit, a low-power standby mode with adjustable turn-on and turn-off thresholds, an alarm register, an event-counter register, a scratchpad register, a ram-addressable 128 byte clock RAM, and a wide range of communication ports.

Main Features of DS1685E-3

The DS1685E-3 is designed to track time accurately and reliably over a wide temperature range. The device\'s core timing is driven by a stable, low-power CMOS oscillator with a low-power battery switchover circuit. The timing accuracy is unaffected by external vibration and temperature variations.The device also offers a number of features that makes it well-suited for applications requiring low-power standby mode operation and adjustable turn-on and turn-off thresholds. An alarm register can be used to set an alarm when a certain time is reached or when certain calendar dates are reached. Additionally, an event counter register that can count up to 65536 events can be used to track frequency or other events. Finally, the DS1685E-3 includes a RAM-addressable 128-byte clock RAM for storing information, such as header bytes or other user data.

Working Principle

The DS1685E-3 tracks time using a basic working principle:* Internal clock: An oscillator circuit is used to create the clock signal needed to track time. The oscillator can be configured to run at different frequencies, depending on the application.* Clock registers: The time information is stored in a series of registers, each of which is divided into several different fields. These fields can be individually set and read.* Clock RAM: The clock RAM houses the clock registers. It is an area used to store other data, such as date and time information or user data.* Battery switchover circuit: The device is equipped with a low-power battery switchover circuit. This prevents battery drain when the main power source is off.

Conclusion

The DS1685E-3 is an ideal solution for a variety of applications that require accuracy, reliability, and low power operation. Its features such as an alarm register, event counter register, and RAM-addressable 128 byte clock RAM, and its wide operating temperature range make it a great choice for any application that requires these attributes. With its range of communication port options, the DS1685E-3 can easily be integrated into any existing system.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description